An examine is required to answer 6 questions out of 12 questions which are divided into two groups each containing 6 questions, and he is not permitted to answer more than 4 questions from any group. In how many ways can be answered 6 questions ?

An examinee is required to answer 6 questions out of 12 question which are divided into two groups each containing 6 questions ,and he is not permitted to answer more than 4 questions from any group . In how many ways can be answer 6 questions ?

A candidate is required to answer 6 out of 10 questions, which are divide into two groups, each containing 5 questions. He is not permitted to attempt more than 4 questions from either group. The number of different ways in which the candidate can choose 6 questions is a. 50 b. 150 c. 200 d. 250

A question paper contains , which are divided into two groups each containing 5 questions . A candidate is asked to answer 6 questions only ,and to choose at least 2 questions from each group . In how many different ways can the candidate make up his choice ?

A question paper on mathematics consists of 12 questions divided into 3 parts A, B and C, each containing 4 questions. In how many ways can an examinee answer 5 questions selecting at least one from each part.

There are 3 sections in a question paper each containing 5 questions. A candidate has to solve only 5 questions, choosing at least one question from each section. In how many ways can he make his choice ?

In an examination, a question paper consists of 12 questions divided into two parts i.e., Part I and Part II, containing 5 and 7 questions, respectively. A student is required to attempt 8 questions in all, selecting at least 3 from each part. In how many ways can a student select the questions?

A question paper contains 12 questions divided into three parts.Parts A contains 6 questions while B and C contains 3 questions each.A candidate is required to attempt 6 questions selecting at least two from part A and atleast one from each of the parts B and C.In how many ways can the candidate select 6 questions?

A question paper contains 12 questions , divided into three parts . Part A contains 6 questions parts B and C contain 3 questions each A candidate is required to attempt 6 questions , selecting at least 3 questions from part A and at least one from each of the parts B and C In how many ways can the candidate select his 6 questions ?

Rehana and sayan both appered for an examination & each of them will have to answer 12 questions (i) Rehana got 36 marks in total by answering 8 questions correctly and remaining 4 questions incorrectly. If she got 6 marks for each correct answers. (ii) Sayan got 6 questions correctly and remaining 6 questions incorrectly. Let's find total marks obtained by him.

In an entrance test, there are multiple choice questions. There are four possible answers to each question, of which one is correct. The probability that a student knows the answer to a question is 90%. If the gets the correct answer to a question, then find the probability that he was guessing.